a 6 z 12 + a 4 z 12 + 4 a 7 z 11 + 6 a 5 z 11 + 2 a 3 z 11 + 7 a 8 z 10 + 10 a 6 z 10 + 4 a 4 z 10 + a 2 z 10 + 7 a 9 z 9 + 3 a 7 z 9 − 7 a 5 z 9 − 3 a 3 z 9 + 4 a 10 z 8 − 11 a 8 z 8 − 24 a 6 z 8 − 10 a 4 z 8 − a 2 z 8 + a 11 z 7 − 18 a 9 z 7 − 26 a 7 z 7 + a 5 z 7 + 9 a 3 z 7 + a z 7 − 12 a 10 z 6 − 8 a 8 z 6 + 13 a 6 z 6 + 21 a 4 z 6 + 12 a 2 z 6 − 3 a 11 z 5 + 11 a 9 z 5 + 18 a 7 z 5 − 2 a 5 z 5 + a 3 z 5 + 7 a z 5 + 11 a 10 z 4 + 11 a 8 z 4 − 8 a 6 z 4 − 21 a 4 z 4 − 11 a 2 z 4 + 2 z 4 + 3 a 11 z 3 − a 9 z 3 − 3 a 7 z 3 + 4 a 5 z 3 − 4 a 3 z 3 − 7 a z 3 − 3 a 10 z 2 − a 8 z 2 + 5 a 6 z 2 + 8 a 4 z 2 + 4 a 2 z 2 − z 2 − a 11 z − 2 a 7 z − 4 a 5 z − a 3 z − a 8 + 2 a 4 {\displaystyle a^{6}z^{12}+a^{4}z^{12}+4a^{7}z^{11}+6a^{5}z^{11}+2a^{3}z^{11}+7a^{8}z^{10}+10a^{6}z^{10}+4a^{4}z^{10}+a^{2}z^{10}+7a^{9}z^{9}+3a^{7}z^{9}-7a^{5}z^{9}-3a^{3}z^{9}+4a^{10}z^{8}-11a^{8}z^{8}-24a^{6}z^{8}-10a^{4}z^{8}-a^{2}z^{8}+a^{11}z^{7}-18a^{9}z^{7}-26a^{7}z^{7}+a^{5}z^{7}+9a^{3}z^{7}+az^{7}-12a^{10}z^{6}-8a^{8}z^{6}+13a^{6}z^{6}+21a^{4}z^{6}+12a^{2}z^{6}-3a^{11}z^{5}+11a^{9}z^{5}+18a^{7}z^{5}-2a^{5}z^{5}+a^{3}z^{5}+7az^{5}+11a^{10}z^{4}+11a^{8}z^{4}-8a^{6}z^{4}-21a^{4}z^{4}-11a^{2}z^{4}+2z^{4}+3a^{11}z^{3}-a^{9}z^{3}-3a^{7}z^{3}+4a^{5}z^{3}-4a^{3}z^{3}-7az^{3}-3a^{10}z^{2}-a^{8}z^{2}+5a^{6}z^{2}+8a^{4}z^{2}+4a^{2}z^{2}-z^{2}-a^{11}z-2a^{7}z-4a^{5}z-a^{3}z-a^{8}+2a^{4}}